LG Electronics LAU121CNM, LAN121CNM Wrap the insulation material around the connecting portion

Page 20
Plastic bands

Installation

Connecting the pipings to the indoor unit and drain hose to drain pipe.

•Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants.

•Align the center of the pipings and sufficiently tighten the flare nut by hand.

Wrap the insulation material around the connecting portion.

•Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no

gap.

Insulation material

Indoor unit tubing

Flare nut Pipings

• Tighten the flare nut with a wrench.

Indoor unit tubing

Torque wrench Connection pipe

Flare nut

Spanner (fixed)

 

Outside diameter

Torque

 

mm

inch

kgf.cm

Ø6.35

1/4

180~250

 

 

Ø9.52

3/8

340~420

 

 

Ø12.7

1/2

550~660

 

 

Ø15.88

5/8

630~820

 

 

Ø19.05

3/4

980~1210

 

•Mount the clamp on the boss with a type "B" screw.(SE-H/P: 9k, 12k C/O: 12k)

Type "B" screw

Drain hose

Clamp

 

Boss

 

•When extending the drain hose at the indoor unit, install the drain pipe.

Drain pipe

Indoor unit drain hose

Adhesive Vinyl tape(narrow)

•Wrap the area which accommodates the rear piping housing section with vinyl tape.

Connection

Indoor

unit pipe

pipe

 

Vinyl tape

Wrap with vinyl tape

(wide)

 

Connecting cable

Pipe

Vinyl tape(narrow)

•Bundle the piping and drain hose together by wrapping them with vinyl tape over the range within which they fit into the rear piping housing

section.

Wrap with vinyl tape

Pipe

Vinyl tape(wide)

Drain hose

For right rear piping

Route the indoor tubing and the drain hose to the required piping hole position.

Drain hose

20Room Air Conditioner

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Contents Room Air Conditioner Table of Contents Safety Precautions InstallationDo not modify or extend the power cord Be sure not to do Be sure to follow the instructionOperation Moisture may condense and wet or damage furnishings Keep level even when installing the product Do not direct airflow at room occupants Do not block the inlet or outlet of air flowReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Indoor Unit DimensionsSymbols Used in this Manual Outdoor Unit 12kFeatures IntroductionInstallation Tools InstallationInstallation Parts Installation Map Bushing-SleeveConfirm The Refrigerant This Product Contains R-410A RefrigerantOutdoor unit Rooftop InstallationsIndoor unit Piping Length and Elevation How to Mount Installation Plate Drill a Hole In The WallFlaring Work Cut the pipes and the cableBurrs removal Putting nut onIndoor Connecting The PipingIndoor unit installation Wrap the insulation material around the connecting portion Tighten the flare nut with a wrenchInsert the connecting cable into the indoor unit Indoor unit installationPiping for passage through piping hole Correct case Incorrect caseConnection of The Drain Hose Connection of Piping -OutdoorWiring Diagram Connection of The CableFront panel removing How to use the front panel Front panel openingFront panel closing Checking The Drainage Drain pipingForming The Piping Air Purging Air purging With Vacuum PumpPreparation Leak testEvacuation Finishing the jobCharging Prepare remote control Test RunningSettlement of outdoor unit Evaluation of the performanceCooling Mode Operation Healthy Dehumidification ModeOperation Function of ControlsHeating Mode Operation Defrost ControlSleep Timer Operation Chaos Natural Wind ModeJet Cool Mode Operation C/O Model Jet Cool Mode Operation H/P ModelForced operation Test operationAuto restart Protection of the evaporator pipe from frostingHeating Model Display FunctionSelf-diagnosis Function Remote Control Operations Operation ModeDisassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Motor Cover Troubleshooting Guide Refrigeration Cycle DiagramCooling Only Models Cooling & Heating ModelsWay, 3-way Valve Way Valve Liquid SideProcedure Pumping DownBalance Refrigerant of the 3-way Valve Vacuum pump Gas Charging After EvacuationMethod of using graph Method of using equationAccording to Indoor & Outdoor Temperature Additional gas chargingCycle Parts Trouble analysisElectronic Parts Product does not operate at allProduct is not operate with the remote controller Compressor/Outdoor Fan are unable to drive When indoor Fan does not operate NectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit Schematic Diagram Electric Control DeviceOutdoor 12k Wiring Diagram Models 12kModels 12kC/O Models 12kH/P Components Location Outdoor12k 6871A00087B 6871A00088A6871A20259D 6306A90009AProduct Specifications Cooling OnlyCooling & Heating E.R P.EExploded View Outdoor Unit 12k Btu/h Seriess W0CZZReplacement Parts List Parts List IndoorParts List Outdoor No. MFL31443001

LA121HPMI, LAU121CNM, LAN121CNM, LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, LA121CPMO specifications

LG Electronics has established itself as a leader in innovative home appliance technologies, particularly in the air conditioning segment. The LG LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, and LA121CPMO models exemplify the blend of efficiency, comfort, and advanced features that LG is known for.

These air conditioning units are designed with energy efficiency in mind, boasting high SEER (Seasonal Energy Efficiency Ratio) ratings that help reduce electricity consumption. This not only saves money on energy bills but also aligns with eco-friendly initiatives by minimizing environmental impact.

The air conditioners are equipped with LG's Dual Inverter technology, which enhances cooling performance while reducing noise levels. This innovative technology allows the compressor to operate at variable speeds, resulting in faster cooling and dehumidification, as well as quieter operation than traditional units.

Moreover, the models feature a modern aesthetic with sleek designs that seamlessly blend into both residential and commercial environments. The intuitive user interface, combined with remote control capabilities, makes adjusting temperature settings easier for users, giving them full control over their indoor climate.

Another significant characteristic of these models is the use of advanced filtration systems. Many units incorporate a multi-stage filtration process that captures dust, allergens, and pollutants, ensuring the air quality in the home remains high. These filters are easy to clean and replace, making maintenance straightforward and user-friendly.

The LG LAN121CNM, LAU121CNM, and others in the lineup also include Wi-Fi connectivity. This smart technology allows users to monitor and control their air conditioning units through mobile applications, providing convenience and flexibility. Users can adjust settings, schedule operations, and receive alerts about filter maintenance directly from their smartphones.

For those looking for flexibility, these models offer various installation options. They can be installed as wall-mounted, floor-mounted, or ceiling-mounted systems, catering to different space constraints and design preferences.

In conclusion, the LG LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, and LA121CPMO air conditioning models are exemplary products that demonstrate LG’s commitment to quality, efficiency, and user-centric design. With cutting-edge technology and a focus on sustainability, these units cater to the needs of modern consumers while ensuring comfort all year round.
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